UL Standard 1-Gang Masonry Box with Concentric Knockouts, Welded, 3-1/2 In Deep

Product Overview

The UL Standard 1-Gang Masonry Box with Concentric Knockouts is designed for reliable and robust performance in masonry installations. This welded box offers enhanced durability and features concentric knockouts for versatile wiring options. Ideal for commercial and industrial applications, it ensures compliance with stringent safety standards.

Key Features

• UL Listed: Meets UL safety standards for dependable quality and safety.
• Heavy-Duty Welded Construction: Made from high-quality galvanized steel to withstand demanding environments.
• 3-1/2 Inch Depth: Provides ample space for wiring and connections.
• Concentric Knockouts: Includes 1/2 inch and 3/4 inch knockouts for flexible wiring configurations.
• Easy Installation: Equipped with pre-drilled mounting holes and includes all necessary hardware.
• High Capacity: 22.5 cubic inches to accommodate extensive wiring needs.
• Versatile Use: Suitable for installation in brick, concrete, and block masonry walls.

Specifications

• Material: Galvanized Steel
• Dimensions: 3.75" x 1.969" x 3.5"
• Capacity: 22.5 cubic inches
• Knockouts: 1/2 inch and 3/4 inch concentric knockouts
• Color: Metallic
• Mounting: Pre-drilled holes for secure installation in masonry walls
• Certifications: UL Listed

Package Includes

• 1 x UL Standard 1-Gang Masonry Box with Concentric Knockouts, Welded, 3-1/2 In Deep
• Mounting Hardware

Installation Guide

1. Mark the Installation Site: Identify and mark the desired location on the masonry wall.
2. Create Opening: Use a masonry drill and chisel to cut an opening matching the box dimensions.
3. Mount the Box: Secure the box using the pre-drilled holes and provided mounting hardware.
4. Wire the Box: Run electrical wiring through the concentric knockouts into the box.
5. Install Device: Attach the electrical device (e.g., switch or outlet) to the box.
6. Finish Installation: Cover the device with an appropriate wall plate and complete the installation.

Applications

• Commercial Masonry Walls
• Industrial Installations
• Residential Projects
• Indoor and Outdoor Environments

Customer Testimonials

Michael B. - Procurement Manager, Acme Corp - ★★★★★
"Reliable and easy to install. Meets all our safety requirements."

Laura S. - Operations Head, Tech Solutions - ★★★★☆
"Solid construction and good capacity for wiring. Slightly bulky for tight spots."

Frequently Asked Questions

Q: Is this box suitable for outdoor installations?
A: Yes, the box is made from galvanized steel and can be used outdoors when properly installed and sealed.

Q: What types of knockout holes does it have?
A: The box includes 1/2 inch and 3/4 inch concentric knockouts for flexible wiring options.

INTRODUCTION

Changsha Elewell Import and Export Co., Ltd. is located in the beautiful City, Changsha ,Hunan Province. We are professional supplier in electrical conduit and fitting line, strut channel ,electrical cable tray and support line . Through the efforts of the whole company, we have become a strong electrical conduits and fittings manufacturer and exporter. Currently, our products have been distributed to many countries all over the world, such as, South America, North America, Central America, Mid east, Southeast Asia.

Over the years, we have taken " Honest, High Quality, Creating value for customers" as our business philosophy, and have won wide acclaim in the international market for our excellent quality and reasonable pricing.

Our main product as below：

US STANDARD METAL CONDUIT AND FITTINGS

1) EMT CONDUIT and fittings : pre-galvnaized /hot dip galvanized electrical metallic conduit ; EMT elbow; set scew zinc/steel EMT connector and coupling ; one hole stap , two hole strap, Service Entrance Caps, Conduit Bender and so on .

2）IMC /RSC conduits and fittings: Intermediate Metal Conduit, Rigid Metal Conduit, Conduit Elbow, Connector and Coupling, One Hole Strap and Two Hole Strap, Service Entrance Caps, Reducing Bushing, Nipple, Locknut, Conduit Bushing, Watertight Hub and so on .

3）Steel Electrical Conduit Box and covers：4x4" Square Box, 4" Octagonal Box, 4x2" Handy Box, 4-11/16x4-11/16" Square Box.

4) Weatherproof boxes and cover : One gang , two gang and round weatherproof boxes and covers .

BS STANDDARD CONDUIT AND FITTINGS

5)BS GI conduit and fittings : BS4568/ EN 61386 conduit class 3 and class 4 ,BS31 GI Conduit class 3 and class 4 ; malleable iron round junction box and cover, space bar saddle , couplings ; BS switch steel boxes.

FLEXIBLE CONDUIT AND FITTINGS

6）Flexible Conduit and Fittings: Flexible galvanized Steel Conduit, PVC Coated Flexible Conduit, Liquid Tight flexible conduit, Non metallic liquid tight flexible conduit ; Squeeze Connector, Liquid Tight Connector, male flexible connector , pvc straight and angle connector.

STRUT CHANNEL AND FITTINGS

7) Strut Channel and Fittings: 41x41 ,41x21 pre-galvanized / hot dip galvanized Unistrut Channel, Spring Nut, Thread Rods, Strut Clamp, Cushioned Clamp, Conduit Hanger, Clevis Hanger, Sprinkler Clamp, Pipe Clamp, Pipe Clamp with Rubber.

ELECTRICAL CABLE TRAY

8）Electrical cable tray and fittings :GI , HDG , Aluminum , FRP, stainless steel perforated cable tray , cable ladder , cable trunking , wire mesh cable tray and cable trunking .

CABLE TIES

9）Stainless cable tie and Nylon cable tie : SS304/SS316 ball self lock cable tie , ladder type stainless steel cable tie , L type stainless steel locking tie, Releasable stainless cable tie, stainless steel band , buckle, cable tie tool , marker plate and nylon cable tie .